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Power Supply Enables Multiple X-Ray Tubes to Be Tested Simultaneously

Originally Published MPMN October 2001

Power Supply Enables Multiple X-Ray Tubes to Be Tested Simultaneously

Del High Voltage, a member company of the Del Power Conversion Group (Valhalla, NY; www.delhv.com) has custom designed a high-frequency power supply that enables an x-ray tube manufacturer to test multiple tubes simultaneously, on an independent basis.

"We needed a processing power supply that could handle different products simultaneously, so that we could include some of our smaller- quantity products in the regular test cycle without having to hold up a whole piece of equipment," says James Funk, a principal engineer at Dunlee (Aurora, IL; www. dunlee.com). "Del created a power supply for us that successfully simulates field conditions but is durable enough to withstand the production environment."

The 80-kW system provides a continuous power source, is water cooled, and enables independent high-voltage selection and control over as many as four individual tubes and filaments with individual tube current and filament monitoring. The unit is one-fifth the size of linear power supplies, yet produces 60% more power. It is self-protected against voltage reversal, overvoltage, overcurrent, and power-line interruptions.

Two units have already been delivered and a third is currently in production.

Susan Wallace

Copyright ©2001 Medical Product Manufacturing News

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